package com.cloudlibrary.interceptor;

import com.cloudlibrary.domain.User;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;

/**
 * 资源拦截器
 */
public class ResourcesInterceptor extends HandlerInterceptorAdapter {
    private List<String> ignoreUrl;
    public ResourcesInterceptor(List<String> ignoreUrl) {this.ignoreUrl = ignoreUrl;}
    public boolean preHandle(HttpServletRequest request,
                             HttpServletResponse response, Object handler) throws Exception {
        User user = (User) request.getSession().getAttribute("USER_SESSION");
        String uri = request.getRequestURI();
        if(user != null) {
            return true;
        }
        if(uri.indexOf("login") >= 0){
            return true;
        }
        request.setAttribute("msg","您还没有登录，请先登录!");
        request.getRequestDispatcher("/admin/login.jsp").forward(request, response);
        return false;
    }
}